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Finding the Third Proportional to 15,487,742 and 31,969,840

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Solution

The third proportional to 15,487,742 and 31,969,840 is: 65,992,232.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487,742 : 31,969,840 = 31,969,840 : x
  2. Step 2: Convert to fraction form
    15,487,742/31,969,840 = 31,969,840/x
  3. Step 3: Cross multiply
    15,487,742x = 31,969,840 × 31,969,840
  4. Step 4: Simplify right side
    15,487,742x = 1,022,070,669,625,600
  5. Step 5: Solve for x
    x = 1,022,070,669,625,600/15,487,742
  6. Step 6: Final answer
    x = 65,992,232.41

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.